verb (used with object), pur·posed, pur·pos·ing.
verb (used without object), pur·posed, pur·pos·ing.
Origin of purpose
Word Origin for purpose
c.1300, "intention, aim, goal," from Anglo-French purpos, Old French porpos "aim, intention" (12c.), from porposer "to put forth," from por- "forth" (from Latin pro- "forth;" see pur-) + Old French poser "to put, place" (see pose (v.1)). On purpose "by design" is attested from 1580s; earlier of purpose (early 15c.).
late 14c., from Anglo-French purposer "to design," Old French porposer "to intend, propose," variant of proposer (see propose).
Deliberately, intentionally, as in He left the photo out of the story on purpose. Shakespeare's use of this idiom was among the earliest; it appears in The Comedy of Errors (4:3): “On purpose shut the doors against his way.”
accidentally on purpose. Seemingly accidentally but actually deliberately, as in She stepped on his foot accidentally on purpose. This generally jocular phrase was first recorded in 1862.
see at cross purposes; for all intents and purposes; on purpose; serve a purpose; to good purpose; to little or no purpose.